uxcell PH Test Strips 1-14 Indicator Paper Lab Litmus Tester 80in1 Kit for Water Food Pool Aquarium Testing Alkaline Acid 2pcs auspowers_batchtwo Keeps vision clear and protected

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uxcell PH Test Strips 1-14 Indicator Paper Lab Litmus Tester 80in1 Kit for Water Food Pool Aquarium Testing Alkaline Acid 2pcs auspowers_batchtwo Keeps vision clear and protecteduxcell PH Test Strips 1 14 Indicator Paper Lab Litmus Tester 80in1 Kit for Water Food Pool Aquarium Testing Alkaline Acid 2pcs NOTE: This paper does not apply to buffer solutions and very weak acid base solution concentration lower than 0. 01%. Please note that solutions with a pH of 5. 5 will result in a yellow colored test strip that resembles the original color of the dry strip. Store in a cool, dry place away from sunlight. Instructions: 1. Take